Vertical marine windlass



FIG. 1 is a top plan view of a vertical marine windlass showing our new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a side elevational view thereof, the opposite side elevational view being a mirror image of that shown; and

FIG. 4 is a top perspective view thereof. 

The ornamental design for a vertical marine windlass, as shown and described. 